| Business | Phone |
| Black Mountain Technology 16 W Harrison St, Seattle 98119 | (206) 217-5960 |
| Communications Marathon 2001 6th Ave, Seattle 98121 | (206) 728-5092 |
| James Communications Seattle 98118 | (206) 721-4982 |
| Mc Kinley Communications 1415 Western Ave, Seattle 98101 | (206) 634-3522 |
| Smithcampbell Communications 1411 4th Ave 1040, Seattle 98101 | (206) 779-7332 |
| Todd Myers Communications 600 Stewart St, Seattle 98101 | (206) 441-7074 |
| Wellington Communications Seattle 98101 | (206) 718-2075 |
| Wireless Network Svc 575 Andover Park W 201, Seattle 98188 | (206) 574-6300 |
| P R Ink Inc 911 Western Ave, Seattle 98104 | (425) 742-6926 |
| Par 3 Communications 821 2nd Ave 1000, Seattle 98104 | (206) 902-3900 |
| Parallel Communications 506 2nd Ave, Seattle 98104 | (425) 732-5203 |
| Persuasive Communications 1148 Nw Leary Way, Seattle 98107 | (206) 764-9980 |
| Westower Communications Inc Seattle 98108 | (206) 762-5888 |
| Quintessent Communications Inc 501 Eastlake Ave E 400, Seattle 98109 | (206) 357-6500 |
| Schorr Communications 201 Queen Anne Ave N, Seattle 98109 | (206) 284-5730 |
| X O Communications Inc 1000 Denny Way 200, Seattle 98109 | (206) 315-9696 |
| Techline Communications 1010 Turner Way E, Seattle 98112 | (206) 325-8460 |
| Steve Birge Communications 6037 36th Ave Ne, Seattle 98115 | (206) 527-1401 |
| Zin Communications Seattle 98118 | (206) 725-7728 |
| Southern Sudanese Comm 510 2nd Ave W, Seattle 98119 | (206) 283-9191 |
| American Communication Ents Seattle 98121 | (206) 728-8911 |
| Marathon Communications 2001 6th Ave, Seattle 98121 | (206) 505-7130 |
| Salem Communications Seattle 2201 6th Ave 1500, Seattle 98121 | (206) 957-0954 |
| Slingshot 2101 4th Ave, Seattle 98121 | (206) 826-1880 |
| Swift Communications 2001 6th Ave 2222, Seattle 98121 | (206) 728-2736 |
| Telus Communications Inc 2001 6th Ave, Seattle 98121 | (206) 441-4668 |
| Universal Access 2001 6th Ave, Seattle 98121 | (206) 443-5644 |
| Virtela Communications 2001 6th Ave, Seattle 98121 | (206) 448-2385 |
| Level 3 Communications 1708 E Pike St, Seattle 98122 | (206) 323-9948 |
| Mindpop Communications 12546 12th Ave Nw, Seattle 98177 | (206) 363-3638 |
| West Hill Cmnty Council A King 12626 Renton Ave S, Seattle 98178 | (206) 772-6526 |
| Skylynx Communications Inc 643 Strander Blvd, Seattle 98188 | (206) 575-1910 |
| Worldcatch Communications 2100 34th Ave W, Seattle 98199 | (206) 971-5000 |